. >> this could be another negotiating chip in the fiscal cliff. harry reid's threat. it could be something to try to get more tax increases out of the republicans. megyn: interesting. this is a huge deal back in '06. you haven't heard as much about it now that the shoe is on the other foot. the democrats find themselves in the minority they play rue the day harry reid pushed this through. new questions how to tell if someone is too high to drive. now that marijuana is legal for recreational use in two states, authorities are trying to figure out what the legal limit should be for getting behind the wheel after you toke up. this is why. video of a crash that look the lives of four teenagers. prosecutors say the 17-year-old driver was high on marijuana when he got behind the wheel. it happened on long island in october. the driver took a curb at 110 miles an hour. crossed three lanes of traffic and skidded into trees, one of whicher to the car in half. he survived but his friend did not. the new marijuana law weren't into effect in the state. people can smoke for recrea